# A109922 (b-file synthesized from sequence entry) 1 1 2 0 3 1 4 1 5 4 6 2 7 15 8 23 9 56 10 45 11 420 12 355 13 3960 14 3432 15 3003 16 5299 17 80080 18 71650 19 1225224 20 1108536 21 1007760 22 920128 23 19399380 24 17847429 25 82372752 26 76271066 27 212469400 28 197816337 29 5354228880 30 5008794758 31 145568097675 32 273491577450